EP2572317A4 - Reconnaissance d'images numériques - Google Patents

Reconnaissance d'images numériques Download PDF

Info

Publication number
EP2572317A4
EP2572317A4 EP11822246.2A EP11822246A EP2572317A4 EP 2572317 A4 EP2572317 A4 EP 2572317A4 EP 11822246 A EP11822246 A EP 11822246A EP 2572317 A4 EP2572317 A4 EP 2572317A4
Authority
EP
European Patent Office
Prior art keywords
recognition
digital images
images
digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11822246.2A
Other languages
German (de)
English (en)
Other versions
EP2572317B1 (fr
EP2572317A1 (fr
Inventor
Xiang Sun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alibaba Group Holding Ltd
Original Assignee
Alibaba Group Holding Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Publication of EP2572317A1 publication Critical patent/EP2572317A1/fr
Publication of EP2572317A4 publication Critical patent/EP2572317A4/fr
Application granted granted Critical
Publication of EP2572317B1 publication Critical patent/EP2572317B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/32—Digital ink
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/1801—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections
    • G06V30/18076—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections by analysing connectivity, e.g. edge linking, connected component analysis or slices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
  • Character Input (AREA)
EP11822246.2A 2010-08-30 2011-08-26 Reconnaissance d'images numériques Active EP2572317B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2010102704561A CN102385707A (zh) 2010-08-30 2010-08-30 一种数字图像识别的方法、装置及爬虫服务器
US13/199,332 US8781227B2 (en) 2010-08-30 2011-08-25 Recognition of numerical characters in digital images
PCT/US2011/001512 WO2012030384A1 (fr) 2010-08-30 2011-08-26 Reconnaissance d'images numériques

Publications (3)

Publication Number Publication Date
EP2572317A1 EP2572317A1 (fr) 2013-03-27
EP2572317A4 true EP2572317A4 (fr) 2017-05-17
EP2572317B1 EP2572317B1 (fr) 2020-10-07

Family

ID=45697350

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11822246.2A Active EP2572317B1 (fr) 2010-08-30 2011-08-26 Reconnaissance d'images numériques

Country Status (5)

Country Link
US (2) US8781227B2 (fr)
EP (1) EP2572317B1 (fr)
JP (1) JP5701388B2 (fr)
CN (1) CN102385707A (fr)
WO (1) WO2012030384A1 (fr)

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US9053359B2 (en) 2012-06-07 2015-06-09 Konica Minolta Laboratory U.S.A., Inc. Method and system for document authentication using Krawtchouk decomposition of image patches for image comparison
US9230383B2 (en) 2012-12-28 2016-01-05 Konica Minolta Laboratory U.S.A., Inc. Document image compression method and its application in document authentication
US10725650B2 (en) * 2014-03-17 2020-07-28 Kabushiki Kaisha Kawai Gakki Seisakusho Handwritten music sign recognition device and program
CN104915664B (zh) * 2015-05-22 2021-02-09 腾讯科技（深圳）有限公司 联系对象标识获取方法和装置
CN104933138A (zh) * 2015-06-16 2015-09-23 携程计算机技术（上海）有限公司 网页爬虫系统及网页爬取方法
CN105117723B (zh) * 2015-08-17 2018-07-06 浪潮金融信息技术有限公司 一种图像识别方法及装置
CN105184328B (zh) * 2015-08-17 2018-11-27 浪潮金融信息技术有限公司 一种识别图像的方法及装置
CN106407932B (zh) * 2016-09-20 2019-05-28 中国石油大学(华东) 基于分数阶微积分与广义逆神经网络的手写数字识别方法
US10438098B2 (en) 2017-05-19 2019-10-08 Hand Held Products, Inc. High-speed OCR decode using depleted centerlines
JP6919990B2 (ja) * 2017-10-17 2021-08-18 株式会社日立製作所 オンライン認識装置、オンライン認識方法、及びそれに用いる設定画面
JP7003617B2 (ja) * 2017-12-12 2022-01-20 富士通株式会社 推定装置、推定方法、及び推定プログラム
CN108363943B (zh) * 2017-12-27 2020-12-01 苏州工业园区报关有限公司 基于智能化识别技术的通关机器人
CN111553340A (zh) * 2019-02-12 2020-08-18 昆山纬绩资通有限公司 数据撷取方法及其系统
CN111680688B (zh) * 2020-06-10 2023-08-08 创新奇智(成都)科技有限公司 字符识别方法及装置、电子设备、存储介质
US20230230403A1 (en) * 2021-12-06 2023-07-20 Hanzifinder Llc Systems and methods for representing and searching characters

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EP0079251A2 (fr) * 1981-09-11 1983-05-18 BURROUGHS CORPORATION (a Delaware corporation) Reconnaissance géométrique de caractères utilisant une représentation par squelette et largeur de trait
JPH01229388A (ja) * 1988-03-09 1989-09-13 Nippon Steel Corp 数字認識方法および装置
US5497432A (en) * 1992-08-25 1996-03-05 Ricoh Company, Ltd. Character reading method and apparatus effective for condition where a plurality of characters have close relationship with one another
US20100215276A1 (en) * 2009-02-25 2010-08-26 Fujitsu Limited Storage medium storing character recognition program, character recognition method, and character recognition apparatus

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US4742556A (en) 1985-09-16 1988-05-03 Davis Jr Ray E Character recognition method
US5097517A (en) 1987-03-17 1992-03-17 Holt Arthur W Method and apparatus for processing bank checks, drafts and like financial documents
JP2619427B2 (ja) * 1987-10-30 1997-06-11 グローリー工業株式会社 文字パターン認識方法
JPH0324682A (ja) * 1989-06-21 1991-02-01 Aisin Seiki Co Ltd 文字特徴抽出方法
JP4742404B2 (ja) 2000-05-17 2011-08-10 コニカミノルタビジネステクノロジーズ株式会社 画像認識装置、画像形成装置、画像認識方法および画像認識プログラムを記憶したコンピュータ読取り可能な記録媒体
WO2002037933A2 (fr) 2000-11-08 2002-05-16 New York University Systeme, procede et configuration d'un logiciel permettant de reconnaitre des caracteres manuscrits
JP3965983B2 (ja) * 2001-11-30 2007-08-29 松下電工株式会社 画像処理方法およびその装置
WO2004079526A2 (fr) * 2003-02-28 2004-09-16 Gannon Technologies Group Systemes et procedes servant a mettre en correspondance des structures de mots d'une langue source
WO2006088222A1 (fr) * 2005-02-15 2006-08-24 Kite Image Technologies Inc. Procédé de reconnaissance de caractères manuscrits, système de reconnaissance de caractères manuscrits, programme de reconnaissance de caractères manuscrits et supports d’enregistrement
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JP5253788B2 (ja) 2007-10-31 2013-07-31 富士通株式会社 画像認識装置、画像認識プログラムおよび画像認識方法
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079251A2 (fr) * 1981-09-11 1983-05-18 BURROUGHS CORPORATION (a Delaware corporation) Reconnaissance géométrique de caractères utilisant une représentation par squelette et largeur de trait
JPH01229388A (ja) * 1988-03-09 1989-09-13 Nippon Steel Corp 数字認識方法および装置
US5497432A (en) * 1992-08-25 1996-03-05 Ricoh Company, Ltd. Character reading method and apparatus effective for condition where a plurality of characters have close relationship with one another
US20100215276A1 (en) * 2009-02-25 2010-08-26 Fujitsu Limited Storage medium storing character recognition program, character recognition method, and character recognition apparatus

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Title
LU Y ED - IMPEDOVO SEBASTIANO LIU CHENG-LIN IMPEDOVO DONATO PIRLO GIUSEPPE: "Machine printed character segmentation--an overview", PATTERN RECOGNITION, ELSEVIER, GB, vol. 28, no. 1, 1 January 1995 (1995-01-01), pages 67 - 80, XP004014034, ISSN: 0031-3203, DOI: 10.1016/0031-3203(94)00068-W *
NAFIZ ARICA ET AL: "An Overview of Character Recognition Focused on Off-Line Handwriting", IEEE TRANSACTIONS ON SYSTEMS, MAN, AND CYBERNETICS: PART C:APPLICATIONS AND REVIEWS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 31, no. 2, 1 May 2001 (2001-05-01), pages 216 - 233, XP011057236, ISSN: 1094-6977, DOI: 10.1109/5326.941845 *
RUIZ-PINALES ET AL: "Holistic cursive word recognition based on perceptual features", PATTERN RECOGNITION LETTERS, ELSEVIER, AMSTERDAM, NL, vol. 28, no. 13, 18 July 2007 (2007-07-18), pages 1600 - 1609, XP022156233, ISSN: 0167-8655, DOI: 10.1016/J.PATREC.2007.03.017 *
See also references of WO2012030384A1 *

Also Published As

Publication number Publication date
JP2013536958A (ja) 2013-09-26
US8781227B2 (en) 2014-07-15
EP2572317B1 (fr) 2020-10-07
US8958643B2 (en) 2015-02-17
WO2012030384A1 (fr) 2012-03-08
CN102385707A (zh) 2012-03-21
US20120051645A1 (en) 2012-03-01
US20140328541A1 (en) 2014-11-06
EP2572317A1 (fr) 2013-03-27
JP5701388B2 (ja) 2015-04-15

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